BlackStar H60BTL40 - 60 Pitch Taper Lock Sprocket - 40 ToothThe BlackStar H60BTL40 is a 60 pitch Taper Lock roller chain sprocket with 40 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number H60BTL40 Chain Pitch 60 Number of Teeth 40 Bore Type Taper Lock Hub Style Taper Lock Bushing Required